205680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{857}}^1$

素因数の和:873

約数の個数: 40

約数和(自身を含む): 638352

約数和(自身を除く): 432672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 857, 1714, 2571, 3428, 4285, 5142, 6856, 8570, 10284, 12855, 13712, 17140, 20568, 25710, 34280, 41136, 51420, 68560, 102840, 205680]

約数ペア:

[(1, 205680), (2, 102840), (3, 68560), (4, 51420), (5, 41136), (6, 34280), (8, 25710), (10, 20568), (12, 17140), (15, 13712), (16, 12855), (20, 10284), (24, 8570), (30, 6856), (40, 5142), (48, 4285), (60, 3428), (80, 2571), (120, 1714), (240, 857)]